A 520.0 g sample of brass (a copper-zinc alloy) contains 35.0% by mass of zinc, with the remaining mass being copper.
Calculate the mass of copper in this sample.
Practise Edexcel GCSE Chemistry Transition metals, alloys and corrosion with exam-style questions for Foundation and Higher tier. 97 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
